Closure with an external hinge positioned outside a sidewall of the closure

摘要

The present disclosure is directed to a closure with an external hinge arrangement. The closure includes a lower closure part (2) and an upper closure part (3) which are functionally interconnected to each other by an external hinge arrangement (4). The external hinge arrangement includes a first and a second articulation element (5, 6) and at least one intermediate element (7, 8, 23).

主权项

1. A flip-top closure for a spout having a surrounding top deck and a lower skirt depending from the top deck, the flip-top closure comprising:
a pivotal cap comprising:
a top wall having an outer edge and a lower surface;an upper skirt depending from the outer edge;a sealing stopper depending from the lower surface; an external hinge tethering the pivotal cap to the closure base, the external hinge comprising:
a bottom articulation wall protruding outwardly from the lower skirt;a top articulation wall protruding outwardly from the upper skirt;an outer sidewall extending between the top and bottom articulation walls and radially spaced from the upper and lower skirts, the outer sidewall having:
at least one of a gap and a film hinge extending along a central axis, the central axis extending in a substantially vertical direction; anda pair of trapezoidal elements mirrored along the central axis, each trapezoidal element defining a pair of film hinge legs respectively extending outward at a respective oblique angle away from the central axis.